Commitments and Contingencies (Details 1) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Company's mortgage commitments
Aggregate mortgage loan commitments	$ 893,283	$ 567,998
Investor commitments to purchase	355,868	191,870
Mortgage loans receivable [Member]
Company's mortgage commitments
Investor commitments to purchase	107,873	80,697
Interest Rate Lock Commitments [Member]
Company's mortgage commitments
Aggregate mortgage loan commitments	247,995	111,173
Investor commitments to purchase	247,995	111,173
Non IRLC [Member]
Company's mortgage commitments
Aggregate mortgage loan commitments	$ 645,288	$ 456,825